10 Chromalox 3101 Operator's Manual
7
8
9
Figure 2.9
Voltage
Input Wiring
(Self-powered)
4-20mA
3
7
+24 Vdc
+
The 3101 has a +24 Vdc power supply which can
be used to power a 4-20mA transmitter.
1-5 Vdc
0-5 Vdc
+
Figure 2.10
Current
Input Wiring
(Loop-powered
by controller)
3101
3101
The digital input can be used to reset the latching
alarms—Limit Output, Alarm #1 and Alarm #2.
Setup for the digital input is shown on the Setup
page (SET PAGE). An external, normally open,
momentary contact can be connected to this
input (100 msec., minimum closure). Use isolated
switches only. Do not tie the Digital Input termi-
nals to ground.
Digital Input
Connections
1
2
{
External
Input
+
-
Figure 2.11
Momentary
Contact
Pushbutton
3101
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